G8977 HCPCS Level II Code: I intend to report the oncology measures group

Contextual Map

Every relationship of G8977 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Nearest codes (40)

• G8957 — Patient not receiving maintenance hemodialysis in an outpatient dialysis facility[Sibling]— CMS HCPCS Level II code set
• G8958 — Assessment of adequacy of volume management not documented, reason not given[Sibling]— CMS HCPCS Level II code set
• G8959 — Clinician treating major depressive disorder communicates to clinician treating comorbid condition[Sibling]— CMS HCPCS Level II code set
• G8960 — Clinician treating major depressive disorder did not communicate to clinician treating comorbid condition, reason not given[Sibling]— CMS HCPCS Level II code set
• G8961 — Cardiac stress imaging test primarily performed on low-risk surgery patient for preoperative evaluation within 30 days preceding this surgery[Sibling]— CMS HCPCS Level II code set
• G8962 — Cardiac stress imaging test performed on patient for any reason including those who did not have low risk surgery or test that was performed more than 30 days preceding low risk surgery[Sibling]— CMS HCPCS Level II code set
• G8963 — Cardiac stress imaging performed primarily for monitoring of asymptomatic patient who had pci within 2 years[Sibling]— CMS HCPCS Level II code set
• G8964 — Cardiac stress imaging test performed primarily for any other reason than monitoring of asymptomatic patient who had pci within 2 years (e.g., symptomatic patient, patient greater than 2 years since pci, initial evaluation, etc)[Sibling]— CMS HCPCS Level II code set
• and 32 more

Change history (2)

• January 1, 2017 — Removed from the code set [Change history]— CMS release files (code change ledger)
• and 1 more

Sources for this page

Codes, titles, notes, index terms and mappings on this page are transcribed from the datasets below. Relationships MedCoder computed and text MedCoder wrote are labelled where they appear.

Code, descriptors, coverage and pricing attributes Official source data

CMS HCPCS Alpha-Numeric (ANWEB) release — July 2026 quarterly update Release, file and checksum · Publisher’s page

Change history and date-of-service validity Official source data

CMS HCPCS quarterly update files, ingested into the change ledger Release, file and checksum · Publisher’s page

Comparisons, relationships and the contextual map MedCoder structured relationship

Computed by MedCoder from the tabular notes and tables above; every derived relationship is marked as derived where it appears

Summary and FAQ answers MedCoder explanation

Written by MedCoder to explain the sources above: drafted with AI assistance, checked by a person against the release files, and labelled as MedCoder text where it appears. Not official text.

Labels on this page: Official source data · MedCoder structured relationship · MedCoder explanation. How to read the labels · All data sources and release dates

Nearest Codes in This Family

Official HCPCS Level II classifications closest to G8977 in its code family, with their registry titles.

• G8972 — One or more high risk factors for thromboembolism or more than one moderate risk factor for thromboembolism
• G8973 — Most recent hemoglobin (hgb) level < 10 g/dl
• G8974 — Hemoglobin level measurement not documented, reason not given
• G8975 — Documentation of medical reason(s) for patient having a hemoglobin level < 10 g/dl (e.g., patients who have non-renal etiologies of anemia [e.g., sickle cell anemia or other hemoglobinopathies,…
• G8976 — Most recent hemoglobin (hgb) level >= 10 g/dl
• G8978 — Mobility: walking & moving around functional limitation, current status, at therapy episode outset and at reporting intervals
• G8979 — Mobility: walking & moving around functional limitation, projected goal status, at therapy episode outset, at reporting intervals, and at discharge or to end reporting
• G8980 — Mobility: walking & moving around functional limitation, discharge status, at discharge from therapy or to end reporting
• G8981 — Changing & maintaining body position functional limitation, current status, at therapy episode outset and at reporting intervals
• G8982 — Changing & maintaining body position functional limitation, projected goal status, at therapy episode outset, at reporting intervals, and at discharge or to end reporting